extract.parsimonyCost: Extraction of the actual number of solutions.
Description
extract.parsimonyCost takes an object of class "parsimonyCost",
result of function parsimonyCost, and computes the minimum cost
at the given node.
Usage
# S3 method for parsimonyCost
extract(x, node = attr(x, "ntaxa") + 1, ...)
Arguments
x
an object of class "parsimonyCost", result of function
parsimonyCost.
node
the root node of the subtree. By default, the root of the tree.
Value
An integer giving the minimum cost of the subtree.